Question about Lexus LS 400

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1991 lexus LS400 car wont start and engine light does come on. took car in and they said it could by my ECM.they said i have no sprak and no noid could this be whats wrong?

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  • Anonymous Jan 04, 2009

    Timing on 1991 Lexus LS 400

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Yes the ECM can indeed cause these issues, if they (the shop who diagnosed it) replace it and it does no cure the problem then they just bought you a new ECM as they are not returnable.

Posted on Sep 23, 2008

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Car will start to chugg and then die and sometimes wont start , engine light comes on when this starts happening


Get the vehicle scanned,there is error code stored in ECM,that code will tell what part exactly to look,for:----
But other then these for starting troubleshooting for these problem,

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It can be the issue with weak battery or faulty battery or if battery is ok,then its faulty starter causing the issue.


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http://technoanswers.blogspot.com/2012/11/what-to-do-when-car-turns-over-but-wont.html


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http://whatisbyme.blogspot.in/2012/05/1995-lexus-ls400-running-hot.html


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1 Answer

Car doesn't respond when gas pedal is pushed when it is driven in hot weather; engine does not stall (1991 lexus ls400


I had the same problem with my 1992 LS400. My Lexus mechanic fixed it by replacing the MAF(Mass Air Flow).

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1993 Lexus Ls400 loss of power a 2500-3000rpm when you accelerate hard on the gas pedel, hower if you press down on the gas pedal slowly the power will increase all the way up to 6000rps with no power...


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